When you are eating at a restaurant, the server may tell you bon apptit, which means good appetite, or enjoy your meal.

VOA: special.2010.04.18

So will we be using the internet for video on-demand, will that be the killer app? Will millions of people wide watch this video right when they want to watch it?

所以我们会使用互联网实现随需视频么，那会成为杀手级应用么？会有数百万人,就在他们想看的时候看到视频么？

麻省理工公开课 - 媒体、教育、市场课程节选

I think we have an app that's like, "Next Muni" here in the city.

我们有一个“下一趟有轨电车”的应用程序。

没有智能手机活不了 - SpeakingMax英语口语达人

Users of Venmo, a mobile app, must also have an account, plus download the app.

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The BBC app will come into competition with the recently launched UK Radioplayer app.

BBC: launches iPlayer Radio to promote audio content

In download numbers, iPad app volume is still roughly 70% below iPhone app volume.

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